Update the BIOS of an XFX 7900GS
A BIOS, or basic input output system, consists of the essential instructions that tell a video card perform its function, including setting the speed of the graphics card processor and memory. Updating the BIOS of a video card can be necessary to either correct for bugs in a previous revision or to bolster your card's performance. Before starting, note that flashing (another word for \"reprogramming\") your video card's BIOS will void your warranty, so be careful before taking the plunge.
Instructions
1. Go to BootDisc.com and download a DOS boot disc for your particular copy of Windows. BIOS flashes can only be performed while in DOS, so you will need this to proceed.
2. Go to the link titled NVFlash in the Resource section of this guide and download the NVFlash utility. This is the program that you will be running to update your card, so save it onto your floppy disc.
3. Go to the link titled Nvidia Card BIOS in the Resource section of this guide and download the specific driver file that you want to upgrade to. Save this onto your floppy disc as well.
4. Reboot your computer with the DOS boot disc in the drive to enter into DOS. At the A:\\ prompt, type in 'nvflash.exe -b backup.ROM' and follow by pressing the \"Enter\" key. This will create a backup of your old BIOS in case something goes wrong.
5. Type in 'nvflash -p -u -f' followed by the name of the new BIOS file, then press enter. The computer will then replace your old 7900GS BIOS with the new BIOS that you downloaded off the web.
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